Use Email When Name not present when generating config change events

[harshit-kumar-v2]

Description

For on Prem deployment where keycloak is used as Idp username comes as null in request context. This affects how action logs are displayed - we see userId instead of username (since that is null)

Testing

Please describe the tests that you ran to verify your changes. Please summarize what did you test and what needs to be tested e.g. deployed and tested helm chart locally.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

Documentation

Make sure that you have documented corresponding changes in this repository or hypertrace docs repo if required.

[github-actions]

Test Results

118 tests  ±0   118 ✔️ ±0   54s ⏱️ -1s
  29 suites ±0       0 💤 ±0 
  29 files   ±0       0 ❌ ±0 

Results for commit d54c5a5. ± Comparison against base commit cf76196.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cf76196) 79.66% compared to head (d54c5a5) 79.66%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #191   +/-   ##
=========================================
  Coverage     79.66%   79.66%           
- Complexity      484      485    +1     
=========================================
  Files            54       54           
  Lines          2414     2414           
  Branches        106      106           
=========================================
  Hits           1923     1923           
  Misses          430      430           
  Partials         61       61           

Flag	Coverage Δ
integration	79.66% <100.00%> (ø)
unit	78.19% <100.00%> (ø)

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